body {
    background: #e0e5ec;
}
h1 {
    position: relative;
    text-align: center;
    color: #353535;
    font-size: 120px;
    font-family: "Cormorant Garamond", serif;
    margin-top: 120px;
}
button {
    margin: 20px;
}
.custom-btn {
    width: 130px;
    height: 40px;
    color: #fff;
    border-radius: 5px;
    padding: 10px 25px;
    font-family: 'Lato', sans-serif;
    font-weight: 500;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
    box-shadow: inset 2px 2px 2px 0px rgba(255, 255, 255, .5),
    7px 7px 20px 0px rgba(0, 0, 0, .1),
    4px 4px 5px 0px rgba(0, 0, 0, .1);
    outline: none;
}
h3 {
    font-family: 'Lato', sans-serif;
    font-weight: 300;
    text-align: center;
    font-size: 20px;
    color: #373636;
    margin-top: -45px;
}
.frame {
    width: 90%;
    margin: -20px auto;
    text-align: center;
}

button {
    margin: 20px;
}

/* 4 */
.btn-4 {
    background-color: #4dccc6;
    background-image: linear-gradient(315deg, #4dccc6 0%, #96e4df 74%);
    line-height: 42px;
    padding: 0;
    border: none;
}

.btn-4:hover {
    background-color: #89d8d3;
    background-image: linear-gradient(315deg, #89d8d3 0%, #03c8a8 74%);
}

.btn-4 span {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
}

.btn-4:before,
.btn-4:after {
    position: absolute;
    content: "";
    right: 0;
    top: 0;
    box-shadow: 4px 4px 6px 0 rgba(255, 255, 255, .9),
    -4px -4px 6px 0 rgba(116, 125, 136, .2),
    inset -4px -4px 6px 0 rgba(255, 255, 255, .9),
    inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
    transition: all 0.3s ease;
}

.btn-4:before {
    height: 0%;
    width: .1px;
}

.btn-4:after {
    width: 0%;
    height: .1px;
}

.btn-4:hover:before {
    height: 100%;
}

.btn-4:hover:after {
    width: 100%;
}

.btn-4 span:before,
.btn-4 span:after {
    position: absolute;
    content: "";
    left: 0;
    bottom: 0;
    box-shadow: 4px 4px 6px 0 rgba(255, 255, 255, .9),
    -4px -4px 6px 0 rgba(116, 125, 136, .2),
    inset -4px -4px 6px 0 rgba(255, 255, 255, .9),
    inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
    transition: all 0.3s ease;
}

.btn-4 span:before {
    width: .1px;
    height: 0%;
}

.btn-4 span:after {
    width: 0%;
    height: .1px;
}

.btn-4 span:hover:before {
    height: 100%;
}

.btn-4 span:hover:after {
    width: 100%;
}